Baseline characteristics of study patients
| OAC1W (n = 301) | OAC2W (n = 302) | OA (n = 305) | p Value | |
|---|---|---|---|---|
| OA, omeprazole 20 mg twice daily and amoxicillin 1 g twice daily and placebo for 2 weeks; OAC1W, omeprazole 20 mg twice daily and amoxicillin 1 g twice daily and clarithromycin 500 mg twice daily for 1 week, followed by omeprazole 20 mg twice daily and placebo for 1 week; OAC2W, omeprazole 20 mg twice daily and amoxicillin 1 g twice daily and clarithromycin 500 g twice daily for 2 weeks. | ||||
| Sex (male) | 206 (68.4%) | 216 (71.5%) | 198 (64.9%) | 0.19 |
| Age (years; mean (SD)) | 45.5 (11.8) | 46.7 (11.6) | 45.5 (11.5) | — |
| Smoking | ||||
| Yes | 172 (57.1%) | 166 (55.0%) | 151 (49.5%) | 0.15 |
| No | 85 (28.2%) | 94 (31.1%) | 102 (33.4%) | 0.38 |
| Ex-smoker | 44 (14.6%) | 42 (13.9%) | 52 (17.0%) | 0.53 |
| Alcohol use | 133 (44.2%) | 153 (50.7%) | 139 (45.6%) | 0.24 |